Analysis
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max time kernel
153s -
max time network
157s -
platform
windows7_x64 -
resource
win7-20221111-en -
resource tags
arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system -
submitted
03-12-2022 11:55
Static task
static1
Behavioral task
behavioral1
Sample
e2eaf581fc8203ecb83ca24370d94a649bf95b17413e618c6cf1f524bf998d93.exe
Resource
win7-20221111-en
windows7-x64
11 signatures
150 seconds
Behavioral task
behavioral2
Sample
e2eaf581fc8203ecb83ca24370d94a649bf95b17413e618c6cf1f524bf998d93.exe
Resource
win10v2004-20221111-en
windows10-2004-x64
11 signatures
150 seconds
General
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Target
e2eaf581fc8203ecb83ca24370d94a649bf95b17413e618c6cf1f524bf998d93.exe
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Size
88KB
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MD5
618c00b3a0ec864695947bf0cd304090
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SHA1
267d3139af64f478d9e4ae998c7f08645ed495e6
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SHA256
e2eaf581fc8203ecb83ca24370d94a649bf95b17413e618c6cf1f524bf998d93
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SHA512
995726d5b463af3f85009ea3775931cc528309089318284acf5e0db6f7bf3c4263d7c7df0e7b12f3747c786f90093d467be01fbe44d9b208aa16c356b6fad583
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SSDEEP
1536:plTYNMg4l3gJpEer9+wEDFcemSMuiJibg5ix76X41V8xkS/:kNM3l3gJpESUBc9SM1Jagw76XA8Go
Score
10/10
Malware Config
Signatures
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Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" e2eaf581fc8203ecb83ca24370d94a649bf95b17413e618c6cf1f524bf998d93.exe Set value (int) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" xuolof.exe -
Executes dropped EXE 2 IoCs
pid Process 1500 xuolof.exe 580 xuolof.exe -
Loads dropped DLL 2 IoCs
pid Process 2024 e2eaf581fc8203ecb83ca24370d94a649bf95b17413e618c6cf1f524bf998d93.exe 2024 e2eaf581fc8203ecb83ca24370d94a649bf95b17413e618c6cf1f524bf998d93.exe -
Adds Run key to start application 2 TTPs 29 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\ e2eaf581fc8203ecb83ca24370d94a649bf95b17413e618c6cf1f524bf998d93.exe Key created \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\ xuolof.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\xuolof = "C:\\Users\\Admin\\xuolof.exe /a" xuolof.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\xuolof = "C:\\Users\\Admin\\xuolof.exe /g" xuolof.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\xuolof = "C:\\Users\\Admin\\xuolof.exe /x" xuolof.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\xuolof = "C:\\Users\\Admin\\xuolof.exe /u" xuolof.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\xuolof = "C:\\Users\\Admin\\xuolof.exe /f" xuolof.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\xuolof = "C:\\Users\\Admin\\xuolof.exe /d" xuolof.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\xuolof = "C:\\Users\\Admin\\xuolof.exe /c" xuolof.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\xuolof = "C:\\Users\\Admin\\xuolof.exe /t" xuolof.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\xuolof = "C:\\Users\\Admin\\xuolof.exe /n" xuolof.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\xuolof = "C:\\Users\\Admin\\xuolof.exe /w" xuolof.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\xuolof = "C:\\Users\\Admin\\xuolof.exe /i" xuolof.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\xuolof = "C:\\Users\\Admin\\xuolof.exe /l" xuolof.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\xuolof = "C:\\Users\\Admin\\xuolof.exe /k" xuolof.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\xuolof = "C:\\Users\\Admin\\xuolof.exe /o" xuolof.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\xuolof = "C:\\Users\\Admin\\xuolof.exe /j" xuolof.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\xuolof = "C:\\Users\\Admin\\xuolof.exe /m" xuolof.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\xuolof = "C:\\Users\\Admin\\xuolof.exe /p" xuolof.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\xuolof = "C:\\Users\\Admin\\xuolof.exe /g" e2eaf581fc8203ecb83ca24370d94a649bf95b17413e618c6cf1f524bf998d93.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\xuolof = "C:\\Users\\Admin\\xuolof.exe /v" xuolof.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\xuolof = "C:\\Users\\Admin\\xuolof.exe /h" xuolof.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\xuolof = "C:\\Users\\Admin\\xuolof.exe /z" xuolof.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\xuolof = "C:\\Users\\Admin\\xuolof.exe /e" xuolof.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\xuolof = "C:\\Users\\Admin\\xuolof.exe /b" xuolof.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\xuolof = "C:\\Users\\Admin\\xuolof.exe /s" xuolof.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\xuolof = "C:\\Users\\Admin\\xuolof.exe /r" xuolof.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\xuolof = "C:\\Users\\Admin\\xuolof.exe /y" xuolof.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\xuolof = "C:\\Users\\Admin\\xuolof.exe /q" xuolof.exe -
Maps connected drives based on registry 3 TTPs 4 IoCs
Disk information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum e2eaf581fc8203ecb83ca24370d94a649bf95b17413e618c6cf1f524bf998d93.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0 e2eaf581fc8203ecb83ca24370d94a649bf95b17413e618c6cf1f524bf998d93.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum xuolof.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0 xuolof.exe -
Drops autorun.inf file 1 TTPs 1 IoCs
Malware can abuse Windows Autorun to spread further via attached volumes.
description ioc Process File opened for modification C:\Users\Admin\c\autorun.inf xuolof.exe -
Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 1272 set thread context of 2024 1272 e2eaf581fc8203ecb83ca24370d94a649bf95b17413e618c6cf1f524bf998d93.exe 28 PID 1500 set thread context of 580 1500 xuolof.exe 30 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2024 e2eaf581fc8203ecb83ca24370d94a649bf95b17413e618c6cf1f524bf998d93.exe 580 xuolof.exe 580 xuolof.exe 580 xuolof.exe 580 xuolof.exe 580 xuolof.exe 580 xuolof.exe 580 xuolof.exe 580 xuolof.exe 580 xuolof.exe 580 xuolof.exe 580 xuolof.exe 580 xuolof.exe 580 xuolof.exe 580 xuolof.exe 580 xuolof.exe 580 xuolof.exe 580 xuolof.exe 580 xuolof.exe 580 xuolof.exe 580 xuolof.exe 580 xuolof.exe 580 xuolof.exe 580 xuolof.exe 580 xuolof.exe 580 xuolof.exe 580 xuolof.exe 580 xuolof.exe 580 xuolof.exe 580 xuolof.exe 580 xuolof.exe 580 xuolof.exe 580 xuolof.exe 580 xuolof.exe 580 xuolof.exe 580 xuolof.exe 580 xuolof.exe 580 xuolof.exe 580 xuolof.exe 580 xuolof.exe 580 xuolof.exe 580 xuolof.exe 580 xuolof.exe 580 xuolof.exe 580 xuolof.exe 580 xuolof.exe 580 xuolof.exe 580 xuolof.exe 580 xuolof.exe 580 xuolof.exe 580 xuolof.exe 580 xuolof.exe 580 xuolof.exe 580 xuolof.exe 580 xuolof.exe 580 xuolof.exe 580 xuolof.exe 580 xuolof.exe 580 xuolof.exe 580 xuolof.exe 580 xuolof.exe 580 xuolof.exe 580 xuolof.exe 580 xuolof.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 1272 e2eaf581fc8203ecb83ca24370d94a649bf95b17413e618c6cf1f524bf998d93.exe 2024 e2eaf581fc8203ecb83ca24370d94a649bf95b17413e618c6cf1f524bf998d93.exe 1500 xuolof.exe 580 xuolof.exe -
Suspicious use of WriteProcessMemory 24 IoCs
description pid Process procid_target PID 1272 wrote to memory of 2024 1272 e2eaf581fc8203ecb83ca24370d94a649bf95b17413e618c6cf1f524bf998d93.exe 28 PID 1272 wrote to memory of 2024 1272 e2eaf581fc8203ecb83ca24370d94a649bf95b17413e618c6cf1f524bf998d93.exe 28 PID 1272 wrote to memory of 2024 1272 e2eaf581fc8203ecb83ca24370d94a649bf95b17413e618c6cf1f524bf998d93.exe 28 PID 1272 wrote to memory of 2024 1272 e2eaf581fc8203ecb83ca24370d94a649bf95b17413e618c6cf1f524bf998d93.exe 28 PID 1272 wrote to memory of 2024 1272 e2eaf581fc8203ecb83ca24370d94a649bf95b17413e618c6cf1f524bf998d93.exe 28 PID 1272 wrote to memory of 2024 1272 e2eaf581fc8203ecb83ca24370d94a649bf95b17413e618c6cf1f524bf998d93.exe 28 PID 1272 wrote to memory of 2024 1272 e2eaf581fc8203ecb83ca24370d94a649bf95b17413e618c6cf1f524bf998d93.exe 28 PID 1272 wrote to memory of 2024 1272 e2eaf581fc8203ecb83ca24370d94a649bf95b17413e618c6cf1f524bf998d93.exe 28 PID 1272 wrote to memory of 2024 1272 e2eaf581fc8203ecb83ca24370d94a649bf95b17413e618c6cf1f524bf998d93.exe 28 PID 1272 wrote to memory of 2024 1272 e2eaf581fc8203ecb83ca24370d94a649bf95b17413e618c6cf1f524bf998d93.exe 28 PID 2024 wrote to memory of 1500 2024 e2eaf581fc8203ecb83ca24370d94a649bf95b17413e618c6cf1f524bf998d93.exe 29 PID 2024 wrote to memory of 1500 2024 e2eaf581fc8203ecb83ca24370d94a649bf95b17413e618c6cf1f524bf998d93.exe 29 PID 2024 wrote to memory of 1500 2024 e2eaf581fc8203ecb83ca24370d94a649bf95b17413e618c6cf1f524bf998d93.exe 29 PID 2024 wrote to memory of 1500 2024 e2eaf581fc8203ecb83ca24370d94a649bf95b17413e618c6cf1f524bf998d93.exe 29 PID 1500 wrote to memory of 580 1500 xuolof.exe 30 PID 1500 wrote to memory of 580 1500 xuolof.exe 30 PID 1500 wrote to memory of 580 1500 xuolof.exe 30 PID 1500 wrote to memory of 580 1500 xuolof.exe 30 PID 1500 wrote to memory of 580 1500 xuolof.exe 30 PID 1500 wrote to memory of 580 1500 xuolof.exe 30 PID 1500 wrote to memory of 580 1500 xuolof.exe 30 PID 1500 wrote to memory of 580 1500 xuolof.exe 30 PID 1500 wrote to memory of 580 1500 xuolof.exe 30 PID 1500 wrote to memory of 580 1500 xuolof.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\e2eaf581fc8203ecb83ca24370d94a649bf95b17413e618c6cf1f524bf998d93.exe"C:\Users\Admin\AppData\Local\Temp\e2eaf581fc8203ecb83ca24370d94a649bf95b17413e618c6cf1f524bf998d93.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1272 -
C:\Users\Admin\AppData\Local\Temp\e2eaf581fc8203ecb83ca24370d94a649bf95b17413e618c6cf1f524bf998d93.exe742⤵
- Modifies visiblity of hidden/system files in Explorer
- Loads dropped DLL
- Adds Run key to start application
- Maps connected drives based on registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2024 -
C:\Users\Admin\xuolof.exe"C:\Users\Admin\xuolof.exe"3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1500 -
C:\Users\Admin\xuolof.exe744⤵
- Modifies visiblity of hidden/system files in Explorer
- Executes dropped EXE
- Adds Run key to start application
- Maps connected drives based on registry
- Drops autorun.inf file
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:580
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
88KB
MD5618c00b3a0ec864695947bf0cd304090
SHA1267d3139af64f478d9e4ae998c7f08645ed495e6
SHA256e2eaf581fc8203ecb83ca24370d94a649bf95b17413e618c6cf1f524bf998d93
SHA512995726d5b463af3f85009ea3775931cc528309089318284acf5e0db6f7bf3c4263d7c7df0e7b12f3747c786f90093d467be01fbe44d9b208aa16c356b6fad583
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Filesize
88KB
MD5618c00b3a0ec864695947bf0cd304090
SHA1267d3139af64f478d9e4ae998c7f08645ed495e6
SHA256e2eaf581fc8203ecb83ca24370d94a649bf95b17413e618c6cf1f524bf998d93
SHA512995726d5b463af3f85009ea3775931cc528309089318284acf5e0db6f7bf3c4263d7c7df0e7b12f3747c786f90093d467be01fbe44d9b208aa16c356b6fad583
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Filesize
88KB
MD5618c00b3a0ec864695947bf0cd304090
SHA1267d3139af64f478d9e4ae998c7f08645ed495e6
SHA256e2eaf581fc8203ecb83ca24370d94a649bf95b17413e618c6cf1f524bf998d93
SHA512995726d5b463af3f85009ea3775931cc528309089318284acf5e0db6f7bf3c4263d7c7df0e7b12f3747c786f90093d467be01fbe44d9b208aa16c356b6fad583
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Filesize
88KB
MD5618c00b3a0ec864695947bf0cd304090
SHA1267d3139af64f478d9e4ae998c7f08645ed495e6
SHA256e2eaf581fc8203ecb83ca24370d94a649bf95b17413e618c6cf1f524bf998d93
SHA512995726d5b463af3f85009ea3775931cc528309089318284acf5e0db6f7bf3c4263d7c7df0e7b12f3747c786f90093d467be01fbe44d9b208aa16c356b6fad583
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Filesize
88KB
MD5618c00b3a0ec864695947bf0cd304090
SHA1267d3139af64f478d9e4ae998c7f08645ed495e6
SHA256e2eaf581fc8203ecb83ca24370d94a649bf95b17413e618c6cf1f524bf998d93
SHA512995726d5b463af3f85009ea3775931cc528309089318284acf5e0db6f7bf3c4263d7c7df0e7b12f3747c786f90093d467be01fbe44d9b208aa16c356b6fad583